CN216460399U - Pickling device for quartz crucible - Google Patents

Abstract

The utility model provides a pickling device for a quartz crucible, which comprises a stainless steel frame, a shell, an inner box body, a first acid spraying assembly, a second acid spraying assembly, a filtering assembly, a conveying assembly, an acid tank assembly, a lifting cylinder and a lifting door. The acid washing device for the quartz crucible is reasonable in design, acid tanks are reasonably arranged, acid liquor is recycled, the roller transmission mechanism is stable in transmission and high in position precision, the inner surface and the outer surface of a product are washed in the acid washing chamber by simultaneously spraying acid through the upper nozzle and the lower nozzle of the first acid spraying assembly and the second acid spraying assembly, the pressure of the nozzles is adjustable, the upper nozzle and the lower nozzle are reasonably installed, and no dead angle is generated in acid washing of all models of products.

Description

Acid pickling device for quartz crucible

Technical Field

The utility model belongs to the technical field of crucibles, and particularly relates to a pickling device for a quartz crucible.

Background

At present, a quartz crucible is a glass state vessel formed by melting high-purity quartz sand at high temperature, and is directly put into production through processes of cutting, grinding, inspection, soaking, cleaning, drying and the like, so that the method is a common method for crucible manufacturers at home and abroad. After the crucible manufactured by the method is melted and formed, oil or fingerprints are easily adhered to the surface in the cutting, grinding and inspection processes, the crucible is difficult to clean though being manually soaked and cleaned, the quality and the qualification rate of the drawn monocrystalline silicon are influenced when the crucible is put into production, and the manual cleaning has high labor intensity and low working efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model aims to provide a pickling device for a quartz crucible, so as to solve the problems of difficulty in cleaning, high labor intensity of manual cleaning, low working efficiency and low product yield in the prior art.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a pickling device for quartz crucibles comprises a stainless steel frame, a shell, an inner box body, a first acid spraying assembly, a second acid spraying assembly, a filtering assembly, a conveying assembly, an acid tank assembly, a lifting cylinder and lifting doors, wherein the shell is arranged outside the stainless steel frame, the inner box body is arranged inside the stainless steel frame, the first acid spraying assembly, the conveying assembly, the second acid spraying assembly and the filtering assembly are sequentially arranged inside the inner box body from top to bottom, the first acid spraying assembly, the second acid spraying assembly and the filtering assembly are respectively communicated with the acid tank assembly through pipelines, the acid tank assembly is fixed to one side of the bottom of the stainless steel frame and is used for conveying the quartz crucibles, the two ends of the inner box body are respectively provided with a lifting door, the 2 lifting doors are respectively positioned in lifting grooves at the two ends of the shell, one side of the shell is provided with 2 placing grooves, each placing groove is respectively provided with a lifting cylinder, and the lifting cylinders are used for driving the lifting doors to move up and down, the first acid spraying assembly, the second acid spraying assembly, the conveying assembly, the acid tank assembly and the lifting cylinder are all in signal connection with the controller.

Further, interior box inner wall still is equipped with optical fiber sensor and a plurality of correlation sensor, and the correlation sensor sets up at interior box inner wall both ends including, and optical fiber sensor installs in interior box inner wall one side, and optical fiber sensor and the equal signal connection of a plurality of correlation sensors are to the controller.

Furthermore, a plurality of inner observation grooves are respectively formed in two sides of the inner box body, an inner side window is respectively installed in each inner observation groove, a plurality of outer observation grooves are also respectively formed in two sides of the shell, and an outer side window is respectively installed in each outer observation groove.

Further, the conveying assembly comprises a speed reducer, a chain, a driving gear, a plurality of driven gears and a plurality of rollers, a plurality of rollers are evenly arranged inside the inner box body, one end of each roller is rotated to be sleeved on one side of the inner wall of the inner box body, the other end of each roller penetrates through the other side of the inner wall of the inner box body, one driven gear is fixedly sleeved on the other end of each roller respectively, each driven gear is in meshing transmission with the chain, the chain is of an annular structure, one end of the chain is in meshing transmission with the driving gear, an intermediate shaft of the driving gear is fixedly connected to an output shaft of the speed reducer, the speed reducer is fixed on one side of the bottom of the stainless steel frame, and an acid spraying assembly is arranged below the rollers, and the speed reducer is connected to the controller through a driver signal.

Furthermore, No. one spout sour subassembly includes spout sour pipeline, a plurality of shower nozzle, a PP fixed plate and an acid feed pump, No. one the PP fixed plate is fixed to inner box top inner wall, No. one spout sour pipeline of PP fixed plate bottom fixed mounting, a plurality of has been seted up to the exit end of a spout sour pipeline, and every exit end is fixed respectively and communicates to a shower nozzle, and the entrance point of a spout sour pipeline is fixed communicates to the exit end of an acid feed pump, and the inlet end pipeline of an acid feed pump communicates to the acid tank subassembly, No. one spout sour subassembly and No. two spout sour subassembly structural similarity, No. one supply sour pump signal connection to controller.

Furthermore, the first spray head is a universal spray head.

Furthermore, the pressure range of the first spray head is 0.3MPa-0.5 MPa.

Further, the acid storage tank assembly comprises an acid storage shell, an acid storage tank and an acid storage pipeline, the acid storage shell is fixed to the bottom of the stainless steel frame, the acid storage tank is arranged inside the acid storage shell, a heater is arranged inside the acid storage tank, the acid storage tank is communicated with the acid storage pipeline, the acid storage pipeline is communicated with the inlet end of the first acid supply pump, the second acid spray assembly and the filter assembly respectively, and the heater is in signal connection with the controller.

Compared with the prior art, the acid washing device for the quartz crucible has the following advantages:

(1) the acid washing device for the quartz crucible is reasonable in design, acid tanks are reasonably arranged, acid liquor is recycled, the roller transmission mechanism is stable in transmission and high in position accuracy, the inner surface and the outer surface of a product are washed in the acid washing chamber by simultaneously spraying acid through the upper nozzle and the lower nozzle of the first acid spraying assembly and the second acid spraying assembly, the pressure of the nozzles can be adjusted, the upper nozzle and the lower nozzle are reasonably installed, no dead angle exists in acid washing of all types of products, and the acid tanks are externally provided with assemblies, so that cleaning is facilitated.

(2) According to the acid washing device for the quartz crucible, the conveying assembly is conveyed by the acid-resistant conveying roller, so that the conveying is stable, the error is small, the edge breakage and abrasion of the crucible caused by conveying are effectively reduced, and the positioning and implementation of the subsequent process are facilitated.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a pickling apparatus for a quartz crucible according to an embodiment of the present invention;

FIG. 2 is a partial schematic view showing a top shell of a pickling apparatus for a quartz crucible according to an embodiment of the present invention;

FIG. 3 is a schematic view of a production line of a pickling apparatus for a quartz crucible according to an embodiment of the present invention.

Description of reference numerals:

1. a stainless steel frame; 2. a housing; 21. a placement groove; 22. an outer window; 3. an inner box body; 31. an inner window; 4. the first acid spraying component; 41. a first acid spraying pipeline; 42. a first spray head; 43. a first PP fixing plate; 5. a second acid spraying component; 6. a transfer assembly; 61. a drum; 7. a lift gate; 8. a pre-cleaning unit; 9. a high pressure cleaning unit; 10. a standing unit; 11. a baking unit; 12. a cooling unit.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 3, a pickling device for quartz crucible comprises a stainless steel frame 1, a shell 2, an inner box 3, a first acid spraying component 4, a second acid spraying component 5, a filtering component, a transmission component 6, an acid tank component, a lifting cylinder and a lifting door 7, wherein the shell 2 is installed outside the stainless steel frame 1, the inner box 3 is installed inside the stainless steel frame 1, the first acid spraying component 4, the transmission component 6, the second acid spraying component 5 and the filtering component are sequentially arranged inside the inner box 3 from top to bottom, the filtering component comprises a filtering net and an acid return pipeline, when in actual use, the bottom of the inner box 3 can be provided with the filtering net and the acid return pipeline which are communicated with the acid tank component, the filtering component can effectively filter silt and the like washed from the crucible, the cleanliness of acid liquid in an acid storage tank is ensured, and gravel is prevented from entering an acid pump, destroy the acid pump, No. one spout sour subassembly 4, No. two spout sour subassembly 5, filtering component respectively the pipeline communicate to the acid tank subassembly, and the acid tank subassembly is fixed to 1 bottom one side of stainless steel frame, and transfer assembly 6 is used for conveying quartz crucible, and 3 both ends of interior box are equipped with a overhead door 7 respectively, the quantity of overhead door 7 is 2. Like this both can realize the pickling of crucible in sealed environment when the crucible gets into this pickling device, avoid making dirty other production units, 2 overhead doors are located the lifting groove at the both ends of shell 2 respectively, and 2 standing grooves 21 are seted up to one side of shell 2, installs a lift cylinder in every standing groove 21 respectively, and the lift cylinder is used for driving 7 elevating movement of overhead door, spout sour subassembly 4, No. two and spout sour subassembly 5, transmission assembly 6, acid tank subassembly, the equal signal connection of lift cylinder to controller for one number. The controller is an existing upper computer. In the concrete embodiment, the lifting door 7 is a polytetrafluoroethylene gear rack structure, is arranged at two ends of the inner box body 3, has good sealing performance, is provided with a lifting cylinder at the power part, is sealed between the inner box body 3 and the shell 2, and has stable lifting and good protection. This a pickling plant for quartz crucible reasonable in design, the acid tank of rational arrangement to cyclic utilization acidizing fluid, cylinder transmission mechanism, the position precision that transmits steadily is high, spouts sour subassembly 4, No. two and spouts sour subassembly 5 about the nozzle spout sour simultaneously and wash the product internal and external surface in the pickling room, and nozzle pressure is adjustable, and nozzle installation is reasonable from top to bottom, to all model product pickling no dead angles, and the external subassembly of acid tank is convenient for clear up.

In this embodiment, the acid washing device for the quartz crucible is located in an acid washing unit of an automatic quartz crucible cleaning line, the automatic quartz crucible cleaning line further comprises a pre-cleaning unit 8, a high-pressure cleaning unit 9, a standing unit 10, a baking unit 11 and a cooling unit 12, one side of the pre-cleaning unit 8 is sequentially communicated to the acid washing unit, the high-pressure cleaning unit 9, the standing unit 10, the baking unit 11 and the cooling unit 12, and the pre-cleaning unit 8, the acid washing unit, the high-pressure cleaning unit 9, the standing unit 10, the baking unit 11 and the cooling unit 12 are all in signal connection with a controller. The controller is an existing upper computer, and the pre-cleaning unit 8, the pickling unit, the high-pressure cleaning unit 9, the standing unit 10, the baking unit 11 and the cooling unit 12 can be regarded as the prior art.

3 inner walls of interior box still are equipped with optical fiber sensor and a plurality of correlation sensor, 3 inner walls both ends of box including the correlation sensor setting to can receive the business turn over signal of crucible, and go out the signal feedback and give the controller, so that the controller carries out other instruction operations, optical fiber sensor installs in 3 inner walls of interior box one side, optical fiber sensor is used for quartz crucible's count, discernment, the equal signal connection of optical fiber sensor and a plurality of correlation sensor to controller, optical fiber sensor and a plurality of correlation sensor are prior art.

A plurality of inner observation grooves are respectively formed in two sides of the inner box body 3, an inner window 31 is respectively installed in each inner observation groove, a plurality of outer observation grooves are respectively formed in two sides of the shell 2, an outer window 22 is respectively installed in each outer observation groove, the inner box body 3 and the shell 2 are installed on the stainless steel frame 1, and acid gas leakage is strictly prevented. Install transparent ya keli window on the shell 2 to compress tightly sealedly with the sealing strip, the staff can observe the condition of equipment inside through observing the window, ensures that the staff knows the condition that sprays.

Conveying assembly 6 includes the speed reducer, the chain, the driving gear, a plurality of driven gear and a plurality of cylinder 61, a plurality of cylinders 61 of evenly arranging inside 3 internal walls of interior boxes, every cylinder 61 one end all rotates and cup joints to 3 inner wall one sides of interior box, the opposite side of 3 inner walls of interior box is all passed to 6 other ends of every cylinder, and the 6 other ends of every cylinder are fixed respectively and cup joint a driven gear, every driven gear all meshes the transmission with the chain, the chain is the loop configuration, the one end and the driving gear meshing transmission of chain, the jackshaft fixed connection of driving gear to the output shaft of speed reducer, the speed reducer is fixed to 1 bottom one side of stainless steel frame, cylinder 61 below is equipped with No. two and spouts sour subassembly 5, the speed reducer passes through driver signal connection to the controller. Can set up 2 speed reducers and 2 driving gears in specific embodiment, 2 speed reducers just can drive 2 driving gears and rotate simultaneously, and 2 driving gears rotate simultaneously and just drive the chain and rotate, and the chain rotates and just can drive a plurality of driven gear rotations, drives a plurality of cylinders 61 rotations then, realizes quartz crucible's conveying. The conveying assembly 6 adopts an acid-proof conveying roller for conveying, the conveying is stable, the error is small, the edge breakage and abrasion of the crucible caused by conveying are effectively reduced, and the positioning and implementation of subsequent processes are facilitated.

The first acid spraying component 4 comprises a first acid spraying pipeline 41, a plurality of first spray heads 42, a first PP fixing plate 43 and a first acid supply pump, the first PP fixing plate is fixed to the inner wall of the top of the inner box body 3, the first acid spraying pipeline 41 is fixedly installed at the bottom of the first PP fixing plate, a plurality of outlet ends of the first acid spraying pipeline 41 are arranged, each outlet end is fixedly communicated to the first spray head 42, the inlet end of the first acid spraying pipeline 41 is fixedly communicated to the outlet end of the first acid supply pump, the inlet end of the first acid supply pump is communicated to the acid tank component, the first acid spraying component 4 and the second acid spraying component 5 are identical in structure, and the first acid supply pump is in signal connection with the controller. The first acid supply pump is the prior art and can be a vertical centrifugal pump. The first acid spraying component 4 and the second acid spraying component 5 can realize the acid washing operation of the crucible surface in an up-and-down spray washing mode, and in the specific implementation, the shape of the first acid spraying pipeline 41 and the number of the first spray heads 42 can be determined according to the actual requirement.

The first spray head 42 is a universal spray head, the pressure range of the first spray head 42 is 0.3Mpa-0.5Mpa, the pressure of the first spray head 42 can be adjusted during actual acid washing, and the pressure range of the second spray head of the second acid spraying component 5 can be adjusted, so that the practicability of the device is improved. In the concrete embodiment, a shower nozzle 42 hangs on interior box 3 through a spout sour pipeline 41 and a PP fixed plate 43, and is both stable, and it is also better to spray the effect, and the lower shower nozzle of a shower nozzle 42 and No. two spout sour subassemblies 5 all is universal shower nozzle, can adjust according to actual conditions and spray the direction.

The acid storage tank assembly comprises an acid storage shell, an acid storage tank and an acid storage pipeline, the acid storage shell is fixed to the bottom of the stainless steel frame 1, the acid storage tank is arranged inside the acid storage shell, a heater is arranged inside the acid storage tank, the acid storage tank is communicated with the acid storage pipeline, the acid storage pipeline is communicated with an inlet end of the first acid supply pump, the second acid spray assembly 5 and the filter assembly respectively, and the heater is in signal connection with the controller. When the in-service use, store up the acid tank and can divide into n independent individualities, place in support one side, internally mounted has heater, secondary filter assembly, and the heater is prior art, can give the heating of storing up the acid tank immediately like this through the controller, and the cleaning performance is better, installs components such as level gauge, sensor, manometer, ball valve, funnel on it, and it is more convenient to clear up, add sour, observe the liquid level.

The working principle of the pickling device for the quartz crucible is as follows:

firstly, a worker manually starts a controller, then a crucible is conveyed into the pickling device, the controller controls a first acid supply pump, a second water pump of a second acid spraying component 5 and a speed reducer to start working, the first acid supply pump extracts acid water in the acid spraying component and conveys the acid water into a first acid spraying pipeline 41, finally the acid water is sprayed out from a first spray head 42 to pickle the crucible from the lower part, meanwhile, the second water pump extracts the acid water in the acid spraying component and conveys the acid water into a second acid spraying pipeline, and finally the acid water is sprayed out from a second spray head to wash the crucible from the upper part;

meanwhile, an output shaft of the speed reducer rotates to drive a driving gear to rotate, the driving gear rotates to drive a chain to rotate, and then a plurality of driven gears are driven to rotate, each driven gear rotates to drive a roller 61 to rotate, and the rollers 61 rotate to enable the crucible to be conveyed in the pickling device;

secondly, when the crucible is pickled completely (the pickling time of the crucible can be set in advance, and the controller can perform other instruction operations after the designated time is reached), the controller controls the lifting cylinder to start working and the electromagnetic valve to be opened, the electromagnetic valve is opened and opened, so that the gas in the gas source enters the lifting cylinder (the lifting cylinder and the electromagnetic valve drive the lifting door to lift according to the existing principle of lifting the cylinder), the lifting cylinder drives the lifting door to lift, and the crucible product can be transmitted to the next station through the production line.

Example 1

Pre-cleaning unit

1. Equipment overview

The unit meets the requirement of crucible conveying and cleaning. The crucible enters the pre-cleaning unit, the upper nozzle and the lower nozzle simultaneously clean the inner surface and the outer surface of the crucible, and the main purpose is to remove floating sand on the inner surface and the outer surface and ensure no dead angle during cleaning.

Secondly, the pressure of the precleaning reaches 1Mpa (the pressure can be adjusted), 3 rows of inner and outer spray heads are arranged, and the purpose of ensuring that crucibles with different sizes are precleaned without dead angles is mainly achieved.

A polytetrafluoroethylene roller transmission mechanism is adopted, power is transmitted by a stepping motor or a speed reducer and a synchronous belt, transmission is stable, and position precision is high; the feeding and discharging door adopts a lifting mode of a lifting cylinder and can also adopt a lifting mode of a gear rack structure, so that the direct and more effective isolation of pre-washing and pickling can be realized, and the problem of mutual pollution of pickling and pre-washing is effectively avoided. The design of the double-layer sealing door isolates the equipment acid gas from leaking. The design of door is locked by installing sealing pad type knob on the periphery. The transmission roller and the outside are in a 3-layer sealing design, the transmission roller is safe and reliable, the standing water tank adopts a 40-mesh filter screen to filter water in the backflow water tank, the mechanism is convenient to design, clean at regular time and convenient to disassemble and maintain daily.

2. The method is characterized in that:

the roller transmission mechanism is stable in transmission and high in position precision, and the water inlet of the vertical centrifugal pump is subjected to secondary filtration to protect the acid pump and the spraying system from being blocked. Enough large space is reserved at the liquid inlet and outlet of the vertical centrifugal pump for maintenance.

3. Description of the actions

Firstly, the crucible is conveyed into a pre-cleaning unit, and floating sand on the surface of the crucible is cleaned in a mode of washing by an upper spray head and a lower spray head.

Secondly, the lifting door is automatically opened under the control of the cylinder and the electromagnetic valve, and the product enters the pickling unit through the production line.

4. The unit comprises: the whole welding stainless steel frame, it is sealed just to have the PP board, and characteristic whole frame, white PP shrouding, inboard box, interior side door, side floor, upper seal board, shrouding such as cylinder transmission bottom has the basin to prevent to leak with PP board welded seal, and two sets of automatic rising doors on the solenoid valve control this unit are connected to the lift cylinder, and the speed reducer drives the transmission of chain gear bearing cylinder.

Pickling unit

1. Equipment overview

The unit sprays acid at the same time through the upper nozzle and the lower nozzle of the acid supply pump to clean the inner surface and the outer surface of the product in the pickling chamber. The pressure of the nozzle is 0.3-0.5Mpa (adjustable), the upper nozzle and the lower nozzle are reasonably installed, and no dead angle exists in pickling of all types of products.

2. The quartz crucible acid washing unit comprises a stainless steel frame, a shell, an inner box body, an upper spray head, a lower spray head, a filtering component, a conveying roller, an inner side window, an outer side window, a lifting door, a sensor, an acid tank bracket guard plate, an acid storage tank, an acid-resistant pump, a pipeline and the like. The support is provided with an outer shell, an inner box body, a conveying roller and a lifting door, the lifting door is provided with two parts which are respectively arranged at the front end and the rear end of the inner box body, the inner box body is provided with an upper spray head, a lower spray head, a filtering assembly, an inner side window and a sensor, and the outer side window is arranged on the outer shell; the acid tank bracket is arranged close to one side of the bracket, an acid tank bracket guard plate is arranged on the outer side of the acid tank bracket, and an acid storage tank, an acid-resistant pump, a pipeline and the like are arranged in the acid tank bracket; the upper spray head and the lower spray head are respectively connected with an acid-proof pump through sealed acid-proof pipelines, and the acid storage tank is connected with a water return pipeline at the lower part of the filtering component through a sealed acid-proof pipeline.

3. The inner box body and the outer shell are arranged on the frame, and the acid gas is strictly prevented from leaking. Install transparent ya keli window on the shell to compress tightly sealedly with the sealing strip, the staff can observe the condition of equipment inside through the observation window, ensures that the staff knows the condition that sprays.

4. The conveying system adopts the acid-proof conveying roller for conveying, the conveying is stable, the error is small, the edge breakage and abrasion of the crucible caused by conveying are effectively reduced, and the positioning and implementation of the subsequent procedures are facilitated.

5. The overhead door is the polytetrafluoroethylene rack and pinion structure, installs the both ends at interior box, and the leakproofness is good, and its power part is the cylinder, by sealed including between box and the shell, go up and down stably, protect.

6. The shower nozzle passes through the pipeline and the PP board hangs on interior box, and both stable, it is also better to spray the effect, goes up the shower nozzle and all is universal shower nozzle with lower shower nozzle, can adjust according to actual conditions and spray the direction. The utility model provides a novel quartz crucible pickling spraying system, its characterized in that install filtering component in the interior box, the acidizing fluid after wasing filters the back through the filtering component and gets into through the return water pipeline and store up the acid vat, can effectually filter silt etc. that washes off from the crucible, has guaranteed the cleanliness factor of acidizing fluid in storing up the acid vat, also prevents that the gravel from getting into the acid pump, destroys the acid pump.

7. The acid storage tank is divided into n independent individuals, the acid storage tank is placed on one side of the support, the heater is arranged inside the acid storage tank, the secondary filtering component is better in cleaning effect, elements such as a liquid level meter, a sensor, a pressure meter, a ball valve and a funnel are arranged on the acid storage tank, and the acid storage tank is more convenient to clean, add acid and observe liquid level.

8. Characterised by the feature

The acid storage tank is reasonably distributed, acid liquor is recycled, the roller transmission mechanism is stable in transmission, the position precision is high, the acid storage tank is provided with the transparent material liquid level instrument, the liquid level condition of the acid storage tank can be observed conveniently at any time, the acid supplementing quantity can be checked, and the liquid level sensor is arranged. Enough large space is reserved for the liquid inlet and outlet of the acid pump for maintenance. The acid tank is arranged outside, so that the cleaning is convenient.

9. Description of the actions

The crucible enters the pickling lifting door to be automatically closed, the upper sprayer and the lower sprayer simultaneously wash the crucible according to a set program, and the crucible is transmitted to the next station after the corresponding washing program is completed.

High pressure precleaning

1. Equipment overview

The device utilizes high-pressure water to deeply clean floating sand on the inner surface and the outer surface of the crucible, and thoroughly washes dirt on the crucible. The machine comprises a crucible positioning mechanism, a crucible turntable mechanism, a lifting mechanism and a high-pressure flushing mechanism.

2. Characteristics of

Utilize the water under high pressure to wash cylinder transmission device to crucible internal surface, the transmission precision is high, and the crucible is rotatory that goes up and down, washs the position, utilizes high low pressure circulating water to wash, adopts multiunit sensor locate function, and the crucible that falls is avoided the cross to stop the accurate locate function in position to the crucible, collides with the crucible problem.

3. Description of the actions

Firstly, the crucible is conveyed into a high-pressure cleaning unit, and the inner surface and the outer surface of the crucible are cleaned in a mode of washing by an upper spray head and a lower spray head.

Secondly, opening an automatic door, and enabling the product to enter a high-pressure cleaning work station through a production line; the high pressure cleaning mode is low pressure-high pressure-low pressure.

The product is cleaned through high-pressure water nozzles, and two groups of nozzles are arranged outside the product to complete external cleaning, so that the product cleaning machine is suitable for different types of products; the internal nozzle is driven by 1 power to move up and down, and the crucible rotates, so that the all-dimensional washing is realized, and no dead angle is left.

And fourthly, opening the automatic door, and enabling the product to enter the buffering and dehumidifying unit from the high-pressure washing station through the transmission line.

4. The unit is composed of

Firstly, the assembly line enters a high-pressure washing station, a lifting rotating mechanism lifts the crucible, a motor drives a bracket to rotate, and a lower spray head washes the inner wall of the crucible through a lifting cylinder; the upper spray heads are provided with two groups, one group of the upper spray heads sprays the straight arms of the crucible, the top of the crucible is sprayed to the arc angle of the crucible, the crucible rotates at a set speed, the process of washing the inner surface and the outer surface of a product by high-pressure water is realized (the pressure is adjustable at 3-10 Mpa), and no dead angle is left in the washing process.

And secondly, a polytetrafluoroethylene roller transmission mode is adopted, and a feeding and discharging door adopts a gear and rack structure lifting mode, so that effective isolation between pre-washing and high-pressure washing can be realized, and the sealing effect is good.

And thirdly, the design of the double-layer sealing door isolates the water and gas leakage of the equipment. The design of door is locked by installing sealing pad type knob on the periphery. The transmission roller and the outside adopt a 3-layer sealing design, and the device is safe and reliable.

And fourthly, different showering parameters such as time, pressure, stroke, rotating speed and the like can be set according to different crucibles, and the showering time and the rotating speed can also be set.

The unit mainly comprises a main stainless steel frame, a PP (polypropylene) sealing plate, a transmission assembly and a lifting sprayer.

Standing unit

1. Equipment overview

According to the equipment, after the crucible is cleaned at high pressure and enters a standing station before baking, residual moisture on the crucible can flow into a water tank of the standing station, so that the residual moisture is convenient to open with a baking door, and hot air can evaporate partial water vapor of the crucible to prepare for entering an oven.

2. Suitable products

The method is suitable for 28-40 inch quartz crucibles, the outer diameter of the quartz crucible is less than 1100mm, and the single quartz crucible product with the weight less than 120KG is used.

3. Characteristics of

The cylinder transmission, the steady position precision of transmission is high, and the water tank uses the stainless steel 304 material.

Baking unit

1. Equipment overview

The equipment is used for baking the crucible after high-pressure cleaning is finished, and the crucible reaches a certain temperature. The total length of the baking system is 7.5M, the baking system is convenient to install and transport, and is divided into 3 parts, each part is 2.5 meters, and the 3 parts are assembled into a whole when being installed at a user.

2. Suitable products

The method is suitable for 28-40 inch quartz crucibles, the outer diameter of the quartz crucible is less than 1100mm, and the single weight of the quartz crucible is less than 120 KG.

3. Characteristics of

The ceramic roller is used for transmission, the transmission stability and the position precision are high, the temperature in the furnace can be adjusted according to the process, the heating in the furnace is in a modular design, the infrared lamp tube is used for heating, and the double-layer heat-insulation baking surface temperature is less than 35 ℃.

Cooling unit

1. Equipment overview

The cooling unit is used for introducing filtering air cooling into the cavity where the crucible is located so as to rapidly cool the baked crucible.

2. The unit is characterized in that

The polytetrafluoroethylene roller is used for conveying, and the conveying stability and the position precision are high.

3. The unit is composed of a stainless steel frame, a shell and a roller.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. A pickling device for a quartz crucible is characterized in that: comprises a stainless steel frame (1), a shell (2), an inner box body (3), a first acid spraying component (4), a second acid spraying component (5), a filtering component, a conveying component (6), an acid tank component, a lifting cylinder and a lifting door (7), wherein the shell (2) is arranged outside the stainless steel frame (1), the inner box body (3) is arranged inside the stainless steel frame, the first acid spraying component (4), the conveying component (6), the second acid spraying component (5) and the filtering component are sequentially arranged inside the inner box body (3) from top to bottom, the first acid spraying component (4), the second acid spraying component (5) and the filtering component are respectively communicated with the acid tank component through pipelines, the acid tank component is fixed to one side of the bottom of the stainless steel frame (1), the conveying component (6) is used for conveying a quartz crucible, the two ends of the inner box body (3) are respectively provided with the lifting door (7), and the 2 lifting doors (7) are respectively positioned in the lifting grooves at the two ends of the shell (2), 2 standing grooves (21) are seted up to one side of shell (2), install a lift cylinder in every standing groove (21) respectively, and the lift cylinder is used for driving overhead door (7) elevating movement, spout sour subassembly (4), No. two and spout sour subassembly (5), transfer module (6), sour groove subassembly, the equal signal connection of lift cylinder to controller.

2. The pickling device for a quartz crucible as set forth in claim 1, wherein: interior box (3) inner wall still is equipped with optical fiber sensor and a plurality of correlation sensor, and box (3) inner wall both ends including the correlation sensor setting, optical fiber sensor install in box (3) inner wall one side in, and optical fiber sensor and the equal signal connection of a plurality of correlation sensors are to the controller.

3. The pickling device for a quartz crucible as set forth in claim 1, wherein: a plurality of inner observation grooves are respectively formed in two sides of the inner box body (3), an inner side window (31) is respectively installed in each inner observation groove, a plurality of outer observation grooves are also respectively formed in two sides of the shell (2), and an outer side window (22) is respectively installed in each outer observation groove.

4. The pickling device for a quartz crucible as set forth in claim 1, wherein: conveying subassembly (6) are including the speed reducer, the chain, the driving gear, a plurality of driven gear and a plurality of cylinder (61), a plurality of cylinder (61) are evenly arranged to interior box (3) inside, every cylinder (61) one end all rotates and cup joints to interior box (3) inner wall one side, the opposite side of interior box (3) inner wall is all passed to every cylinder (61) other end, and every cylinder (61) other end is fixed respectively and cup joints a driven gear, every driven gear all meshes the transmission with the chain, the chain is the loop configuration, the one end and the driving gear meshing transmission of chain, the jackshaft fixed connection of driving gear to the output shaft of speed reducer, the speed reducer is fixed to stainless steel frame (1) bottom one side, cylinder (61) below is equipped with No. two and spouts sour subassembly (5), the speed reducer passes through driver signal connection to controller.

5. The pickling device for a quartz crucible as set forth in claim 1, wherein: the first acid spraying assembly (4) comprises a first acid spraying pipeline (41), a plurality of first spray heads (42), a first PP fixing plate (43) and a first acid supply pump, the first PP fixing plate (43) is fixed to the inner wall of the top of the inner box body (3), the first acid spraying pipeline (41) is fixedly installed at the bottom of the first PP fixing plate (43), a plurality of outlet ends of the first acid spraying pipeline (41) are arranged, each outlet end is fixedly communicated to the first spray head (42) respectively, the inlet end of the first acid spraying pipeline (41) is fixedly communicated to the outlet end of the first acid supply pump, the inlet end pipeline of the first acid supply pump is communicated to the acid tank assembly, the first acid spraying assembly (4) and the second acid spraying assembly (5) are identical in structure, and the first acid supply pump is connected to the controller in a signal mode.

6. The pickling device for the quartz crucible as set forth in claim 5, wherein: the first spray head (42) is a universal spray head.

7. The pickling device for the quartz crucible as set forth in claim 5, wherein: the pressure range of the first spray head (42) is 0.3MPa-0.5 MPa.

8. The pickling device for the quartz crucible as set forth in claim 5, wherein: the acid storage shell is fixed to the bottom of the stainless steel frame (1), the acid storage tank is arranged inside the acid storage shell, a heater is arranged inside the acid storage tank, the acid storage tank is communicated with the acid storage pipeline, the acid storage pipeline is communicated with the inlet end of the first acid supply pump, the second acid spraying component (5) and the filtering component respectively, and the heater is in signal connection with the controller.

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